Two thermometers are calibrated, one in degrees Celsius and the other in degrees Fahrenheit. At what temperature (in kelvins) do their readings measure the same temperature?
a. 218.15
b. 233.15
c. 273.15
d. 40.15
e. 0
B
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The most prominent feature of Mars observable from Earth is:
A) its thick atmosphere. B) its two prominent moons. C) its bright polar caps. D) the large volcano Olympus Mons. E) the prominent feature, Valles Marineris.
A significant step in "unifying" the forces of nature was the discovery that two of the so-called fundamental forces were two parts of a single force. The two forces that were so unified were
A) the electromagnetic force and the weak force. B) the weak force and the strong nuclear force. C) the electromagnetic force and the strong nuclear force. D) the electromagnetic force and the gravity force.
Three capacitors of 1.0, 1.5, and 3.0 mF are connected in series. Find the combined capacitance
a. 0.50 mF c. 5.0 mF b. 1.0 mF d. 5.5 mF
If the electric field just outside a thin conducting sheet is equal to 1.5 N/C, determine the surface charge density on the conductor.
A. 53 pC/m2 B. 27 pC/m2 C. 35 pC/m2 D. 13 pC/m2 E. 6.6 pC/m2